Outfitted with extra low-dispersion/high transmission glass, multiple proprietary lens coatings, and phase-corrected roof prisms, the Sig Sauer 10x42 ZULU7 Binoculars' optical system produces bright and clear high-contrast images with true color fidelity across the entire wide field of view. Their 10x magnification allows for viewing of distant objects, while their short 5.9' close-focus distance enables exceptionally detailed observation of birds, bugs, and insects at feeders or bushes. Additionally, the visible hand-shake common with optics of this power is mitigated by the wide viewing angle. Complementing the optical performance is a comfortable long eye relief, and wide exit pupil that will cover the eye even when fully dilated in low-light conditions.
Their open-bridge design helps to reduce weight without sacrificing strength or rigidity, and provides a large surface area for a secure and steady grip. For long-duration observation sessions, the ZULU7 can be mounted on a tripod via a user-supplied optional adapter. Rubber armoring helps to give protection from drops and impacts while helping to provide a non-slip grip. Designed for durability, the lightweight polymer chassis is nitrogen-filled and O-ring sealed for fogproof performance and makes them submersible to 3.3 ft for up to 30 minutes. Twist-up eyecups provide a custom-fit eye relief for use with or without eye-wear.
Optical Performance
10x magnification
42mm objective lenses
Compact BAK4 roof prisms
HDX extra low-dispersion, high-transmission glass elements corrects chromatic aberration for true color rendition and improved contrast
Fully multi-coated optics with a series of proprietary lens coatings
Close 5.9' minimum focus distance
341' field of view at 1000 yards
Wide 65° apparent angle of view
Long 17mm eye relief
Comfortable 4.2mm exit pupil
Proprietary Optical Coatings
SpectraCoat lens coatings:
Broadband, anti-reflection coatings
Reduce surface reflections across the entire visible spectrum
Improves overall light transmission for brighter images
Phase-correction silver prism coatings improve image brightness, contrast, and resolution
LenShield lens coatings repels water, oil, and other materials to keep lens clear and clean
LensArmor lens coatings resists scratches and abrasions
Use and Handling
Dual-hinge, open-bridge configuration:
Reduces overall weight without sacrificing strength or rigidity
Provides additional surface are for a more comfortable and secure grip
±3 right-eye dioptric correction
56-74mm interpupillary adjustment range
Twist-up eyecups for use with or without eyewear
Tripod mountable with optional adapter
Construction Details
Lightweight and durable polymer chassis
StealthID rubber armoring
Slip-resistant to improve grip
Protects against drops and impacts
Reduces light reflection off housing
Nitrogen-filled for fogproof performance
O-ring sealed to IPX7-rating, submersible to 3.3' (1m) for up to 30 minutes